超声波—光催化氧化降解焦化废水中氨氮的实验研究

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1、郑州大学硕士学位论文超声波—光催化氧化降解焦化废水中氨氮的实验研究姓名：王敏申请学位级别：硕士专业：环境工程指导教师：魏新利20070501讳州土学硕士学位论文AbstractItisanimportanttaskwithpracticalvaluetotreateammonianitrogenwastewater．Onthebasisofsurveyingammonianitrogenwastewatercontrollingapproachesinsideandoutsidecountry．Ammonianitrogenwastewatertreat

2、edbyultrasoundoxidationtechnologyandphotocatalytictechnologywasstudiedsystematicallyinthisdissertation．Thestudyshowedthatthetechnologywasinthesetwopossessionsoftheprominentvirtues，suchassimpleprocessequipment，operationconditionscontrolledeasily,nosecondarypollution，etc．Butthesete

3、chnologiescantreatlowconcentrationofammonianitrogenwastewaterefficiently,theycannottreathiighormediumconcentrationofammonianitrogenwastewaterefficiently．Sonophotocatalytieoxidationtechnologycanmaintenancetheprominentvirtuesofthesetechnologiesandtreateffientlythiskindofwastewater．

4、Soitcanprovidenewthoughtsandpathwaysforindustrializationtreatmentofammonianitrogenwastewaterandwillbeendowedwithextentsiveapplicationprospectintheammonianitrogenwastewatertreatment，Themaincontentsofexperimentwereasfollows：(1)Usingtheultrasoundoxidationtechnologytreatingammonianit

5、rogenwastewater,factorsaffectingultrasoundoxidationreactionwerestudiedindetailssuchasdifferentmodes，initialpHvalue，initialconcentration，thereactiontemperatureandthefrequencyofultrasoundwave，etc．(2)Analogueammonianitrogenwastewaterwasselectedasammonianitrogenwastewatertosimulateth

6、iskindofwastewaterwhichwastreatedbyphotocatalyticoxidationusingtheanataseTi02asphotocatalyst，UV-lampasradiationsource．Factorsaffectingphotocamlyticoxidationreactionwerestudiedindetails，suchasinitialconcentrationofwastewater,catalystamount，initialpHvalue，calcinationstemperatureand

7、time，etc．(3)Comparingwithultrasonicoxidationtechnologyandphotocatalyticoxidationtechnology,theresultindicatedthatsonophotocatalyticoxidationtechnologycalltreatammonianitrogenwastewatereffiently,andtheenhancementwasbarelyasIl邦州土学硕士学位论文muchasthesonophotocatalyticoxidationtechnology

8、inwhichthephotocatalyticoxidationandultr